diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index 943b573..898bc93 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -64,7 +64,7 @@ build() {
     -Bbuild \
     -GNinja \
     -Cbuild_files/cmake/config/blender_release.cmake \
-    -DOPTIX_ROOT_DIR="$srcdir"/include \
+    -DOPTIX_ROOT_DIR="$srcdir" \
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DCMAKE_BUILD_TYPE=Release \
     -DWITH_INSTALL_PORTABLE=OFF \